1. 
   invulnerable
   [adj] - immune to attack
   Found op http://www.webdictionary.co.uk/definition.php?query=invulnerable
   
   
2. 
   Invulnerable
   In·vul'ner·a·ble adjective [ Latin invulnerabilis : confer French invulnérable . See In- not, and Vulnerable .] 1. Incapable of being wounded, or of receiving injury. « Neither vainly hope To be invuln...
   Found op http://www.encyclo.co.uk/webster/I/94
   
   
3. 
   invulnerable
   adjective immune to attack; impregnable; `gunners raked the beach from invulnerable positions on the cliffs`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=invulnerable
   
   
4. 
   Invulnerable
   • (a.) Unanswerable; irrefutable; that can not be refuted or convinced; as, an invulnerable argument. • (a.) Incapable of being wounded, or of receiving injury.
   Found op http://thinkexist.com/dictionary/meaning/invulnerable/
   
   
5. 
   invulnerable
   1) Air-tight 2) Airtight 3) Bombproof 4) Defendable 5) Defensible 6) Entrenched 7) Immune to attack 8) Impregnable 9) Inviolable 10) Protected 11) Safe 12) Secure 13) Shellproof 14) Strong 15) Ti...
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/invulnerable/1
   
   

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